<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="search">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table @row-dblclick="emps" :data="departments" highlight-current-row v-loading="listLoading"
              @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="部门名称" width="120">
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="100">
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100" sortable>
        <!--scope 这个东西能获取到一行的数据 通过 scope.row-->
        <template scope="scope">
          <span style="color: red" v-if="scope.row.state === 0">禁用</span>
          <span style="color: green" v-else-if="scope.row.state === 1">启用</span>
          <span style="color: gray" v-else>未知</span>
        </template>
      </el-table-column>
      <el-table-column prop="manager.username" label="负责人" width="120">
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" min-width="180">
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" v-perm="'department:delete'" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :page-size="pageSize" :total="totals" :current-page="currentPage"
                     style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑界面-->
    <el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="部门状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="部门经理">
          <!--          <el-input v-model="editForm.managerId" auto-complete="off"></el-input>-->
          <!--  v-for="item in employees" 遍历
             :label ：使我们选中后回显到(框框里面的)页面数据
              :value：是我们传到后端的值
              left：下拉框出来后 左边显示什么
              right：下来框出来后 右边显示什么
              注意：如果没有left和right 那么默认显示的是 :label
          -->
          <el-select v-model="editForm.managerId" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :label="item.username"
                :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="上级部门">
          <div class="block">
            <el-cascader
                v-model="editForm.parentId"
                :options="options"
                :props="{ checkStrictly: true,
                  value:'id',
                  label:'name'
                  }"
                clearable></el-cascader>
          </div>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>

    <el-drawer
        title="部门成员"
        :visible.sync="table"
        direction="rtl"
        size="50%">
      <el-table :data="emp">
        <el-table-column prop="username" label="员工姓名" width="200" >
        </el-table-column>
        <el-table-column prop="age" label="员工年龄" width="200" >
        </el-table-column>
        <el-table-column prop="phone" label="员工电话" width="300" >
        </el-table-column>
        <el-table-column prop="email" label="员工邮箱" >
        </el-table-column>
      </el-table>
    </el-drawer>
  </section>
</template>

<script>
import util from '../../common/js/util'
//import NProgress from 'nprogress'
import {
  getDepartmentListPage,
  removeDepartment,
  batchRemoveDepartment,
  editDepartment,
  addDepartment
} from '../../api/api';

export default {
  data() {
    return {
      options: [],
      employees: [],
      table: false,
      emp: [],
      filters: {
        keyword: ''
      },
      departments: [],
      totals: 0,
      pageSize: 5,
      currentPage: 1,
      // page: 1,
      listLoading: false,
      sels: [],//列表选中列

      editFormVisible: false,//编辑界面是否显示
      editLoading: false,
      editFormRules: {
        name: [
          {required: true, message: '请输入部门名称', trigger: 'blur'}
        ],
        sn: [
          {required: true, message: '请输入部门编号', trigger: 'blur'}
        ]
      },
      //编辑界面数据
      editForm: {
        id: null,
        sn: '',
        name: '',
        state: 1,
        managerId: null,
        parentId: null
      },
    }
  },
  methods: {
    emps(row) {
      this.table = true;
      let id = row.id;
      console.log(id);
      this.$http.get("/dept/findByDeptId/" + id)
        .then(result => {
          // 请求成功
          this.emp = result.data;
        })
        .catch(result => {

        })
    },
    search() {
      this.currentPage = 1
      this.getDepartments();
    },
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getDepartments();
    },
    // 获取所有员工
    getEmployees() {
      this.$http.get("/emp")
        .then(result => {
          // 请求成功
          this.employees = result.data;
        })
        .catch(result => {
          // 请求失败
          this.$message({
            message: '网络错误，请稍后重试！',
            type: 'error'
          });
        })
    },
    // 获取部门树
    getDeptTree(){
      this.$http.post("/dept/tree")
        .then(result=>{
          this.options = result.data;
        })
    },
    //获取部门列表
    getDepartments() {
      let para = {
        pageSize: this.pageSize,
        currentPage: this.currentPage,
        keyword: this.filters.keyword
      };
      this.listLoading = true;
      // 发送axios请求获取后端数据
      this.$http.post("/dept", para)
          .then(result => {
            // 关闭列表忙等
            this.listLoading = false;
            // 请求成功
            this.departments = result.data.rows;

            this.totals = result.data.totals;
          })
          .catch(result => {
            // 请求失败
            this.$message({
              message: '网络错误，请稍后重试！',
              type: 'error'
            });
          })

    },
    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        // 忙等
        this.listLoading = true;
        //获取当前的行的id 转成了对象
        // let para = { id: row.id };
        this.$http.delete("/dept/" + row.id)
            .then(result => {
              this.listLoading = false;
              // 前端一定是发送请求成功了
              if (result.data.success) {
                this.$message({
                  message: result.data.msg,
                  type: 'success'
                });
                // 成功了
                this.currentPage = 1;
                this.getDepartments();
              } else {
                // 失败了
                this.$message({
                  message: result.data.msg,
                  type: 'error'
                });
              }
            })
            .catch(result => {
              // 前端发送请求失败
              this.listLoading = false;
              this.$message({
                message: '网络异常，稍后也别试了！',
                type: 'error'
              });

            })
      }).catch(() => {

      });
    },
    //显示编辑界面
    handleEdit: function (index, row) {
      this.title = "编辑";
      this.editFormVisible = true;
      this.editForm = Object.assign({}, row);
    },
    //显示新增界面
    handleAdd: function () {
      this.title = "新增";
      this.editFormVisible = true;
      this.editForm = {
        id: null,
        sn: '',
        name: '',
        state: 1,
        managerId: null,
        parentId: null
      };
    },
    //编辑
    editSubmit: function () {
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {})
              .then(() => {
                this.editLoading = true;
                //NProgress.start();
                let para = Object.assign({}, this.editForm);
                  if (para.parentId && para.parentId instanceof Array){ // para.parentId 是个 []
                    let array = para.parentId;
                    para.parentId = array[array.length - 1];
                  }
                  console.log(para.parentId)

                this.$http.put("/dept", para)
                    .then(result => {
                      this.editFormVisible = false;
                      this.editLoading = false;
                      // 前端一定是发送请求成功了
                      if (result.data.success) {
                        this.$message({
                          message: result.data.msg,
                          type: 'success'
                        });
                        // 成功了
                        this.currentPage = 1;
                        this.getDepartments();
                      } else {
                        // 失败了
                        this.$message({
                          message: result.data.msg,
                          type: 'error'
                        });
                      }
                    })
                    .catch(result => {
                      this.editFormVisible = false;
                      this.editLoading = false;
                      this.$message({
                        message: "网络异常",
                        type: 'error'
                      });
                    })
              });
        }
      });
    },
    selsChange: function (sels) {
      this.sels = sels;
    },
    //批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        //NProgress.start();
        let para = {ids: ids};
        this.$http.patch("/dept", ids)
            .then(result => {
              // 前端一定是发送请求成功了
              if (result.data.success) {
                this.$message({
                  message: result.data.msg,
                  type: 'success'
                });
                // 成功了
                this.currentPage = 1;
                this.getDepartments();
              } else {
                // 失败了
                this.$message({
                  message: result.data.msg,
                  type: 'error'
                });
              }
            })
            .catch(result => {
              this.$message({
                message: "网络异常",
                type: 'error'
              });
            })
      }).catch(() => {

      });
    }
  },
  mounted() {
    this.getDepartments();
    this.getEmployees();
    this.getDeptTree();
  }
}

</script>

<style scoped>

</style>